vi /etc/sysconfig/network-scripts/ifcfg-eth0node
DEVICE=eth0 HWADDR=00:0C:29:0B:E9:46 TYPE=Ethernet UUID=290c1baf-9236-461a-86de-f702d94457f2 #開機啓用 ONBOOT=yes NM_CONTROLLED=yes #靜態IP BOOTPROTO=static #BROADCAST=192.168.134.255 #IP地址 IPADDR=192.168.134.150 #子網掩碼 NETMASK=255.255.255.0 #NETWORK=192.168.134.0 #網關 GATEWAY=192.168.134.2 #配置DNS DNS1=114.114.114.114 DNS2=10.203.104.41
重啓網卡生效 centos6的網卡重啓方法:service network restart centos7的網卡重啓方法:systemctl restart networkcentos
okoop
其它ip相關命令ui
centos 查看網關的命令centos7
1.ifconfig -a 和 cat /etc/resolv.conf (主要查看ip/netmask和dns)spa
2.netstat -rn.net
3.cat /etc/sysconfig/networkrest
4.cat /etc/sysconfig/network-scripts/ifcfg-eth0code
5.traceroute 第一行就是本身的網關dns
6.ip route show
7.route -n
[root@c1node01 ~]# service network restart Shutting down loopback insterface: [ OK ] Bringing up loopback insterface: [ OK ] Bringing up interface eth0: Device eth0 does not seem to be present,delaying initialization. [FAILED]
rm -rf /etc/udev/rules.d/70-persistent-net.rules 重啓虛擬機
/etc/sysconfig/network-scripts/ifcfg-eth0 重命名爲eth1 打開文件 DEVICE="eth1" 刪掉uuid、物理地址 重啓網卡